: Eliminating variables by adding or subtracting equations.
: Finding intersections of curves (e.g., parabolas, circles, and lines) on a coordinate plane. : Eliminating variables by adding or subtracting equations
: Solving word problems (like the "two pipes filling a pool" classic) by constructing a system of equations as a mathematical model. Where to Find & Download : Eliminating variables by adding or subtracting equations
: Offers PDF versions of the "Mordkovich & Tulchinskaya" control work collections. : Eliminating variables by adding or subtracting equations
: Use variable replacement/substitution for higher-degree equations.
